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Lesson 4-7 Example 3

4-7. Lesson 4-7 Example 3. Find the product of 409 and 6. Estimate first. Step 1 Estimate. 400 × 6 = 2,400. 4-7. Lesson 4-7 Example 3. Find the product of 409 and 6. Estimate first. Step 2 Rewrite the problem in vertical format. 409 × 6. 4-7. Lesson 4-7 Example 3.

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Lesson 4-7 Example 3

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  1. 4-7 Lesson 4-7 Example 3 Find the product of 409 and 6. Estimate first. Step 1 Estimate. 400 × 6 = 2,400

  2. 4-7 Lesson 4-7 Example 3 Find the product of 409 and 6. Estimate first. Step 2 Rewrite the problem in vertical format. 409× 6

  3. 4-7 Lesson 4-7 Example 3 Find the product of 409 and 6. Estimate first. Step 3 Multiply 6 times the digit in the ones column. 6 ×9=54 5 409× 6 4

  4. 4-7 Lesson 4-7 Example 3 Find the product of 409 and 6. Estimate first. Step 4 Multiply 6 times the tens column. 6 ×0=0 Add the 5 tens above the tens column. 5 409× 6 5 4

  5. 4-7 Lesson 4-7 Example 3 Find the product of 409 and 6. Estimate first. Step 5 Multiply 6 times the hundreds column. 6 ×4=24 5 409× 6 2,4 5 4

  6. 4-7 Lesson 4-7 Example 3 Find the product of 409 and 6. Estimate first. Step 6 The product is 2,454. Compare to your estimate for reasonableness.

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